Draft-rigging.



P. M. CANTY. pAFT'mGGma.

(Application led Aug. 5, 1902.)

No. 711,822. Patented out. 2i, |902L (No Model.)

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UNITED STATES PATENT OEEICE.

PATRICK M. CANTY, OF ALTOONA, 4PENNSYLVAIIIA.

DRAFT-RIGGING.

SPECIFICATION forming part of Letters Patent No. 711,822, dated October21, 1902.

Application led August 5,1902.

To all whom it may concern:

Be it known that I, PATRICK M. CANTY, a citizen of the United States,and a resident of Altoona, in the county of Blair, in the State ofPennsylvania, have invented certain new and useful Improvements inDraft-Rigging, of which the following is a specification.

My invention is an improvement in draftrigging for railway-cars, andparticularly in the means whereby the draw-bar is yieldingly connectedwith the car so it can yield longitudinally to a limited extent in bothdirections, and thus cushion the longitudinal strains on the said bar;and the invention consists in certain novel constructions andcombinations of parts, as will be hereinafter described and claimed. I

In the drawings, Figure l is a perspective view of my improvement inconnection with the longitudinal angle steel stringers of a carframe.Fig. 2 isa top plan View ofthe box-v ing and the parts therein, the lidbeing omitted. Fig. 3 is a cross-sectional view on about line 3 3 ofFig. l. Fig. 4. is a detail perspective view of the rear end of thedraw-bar. Fig. 5 is a detail perspective view of one of thewedge-blocks.

In carrying out my invention I provide a boxing` A, whose interior A isadapted to receive the double frusto-conical end B', the wedge-blocks C,and the springs D, the interior or recess A' of the boxing A being openat the top and closed in practice by the plate E, as shown in Figs. 1and 3. The boxingA is provided in its front plate A2 with an opening A3,in which operates the draw-bar B, as will be understood from Figs. l and2, the said draw-bar being in practice provided with any suitable formof coupling device. At its upper end the boxing A is provided withlateral flanges A4, which rest upon the horizontal wings F of thestringers F, the body of the boxing fitting between the upright wings Faof said stringers and being secured rigidly thereto by means `of therivets G, as will be understood from Figs. l and 3. The top plate F. issecured by rivets H to the lateral fianges A4 of the boxing. By thismeans the vboxing is firmly secured to lthe framing of the car and thetop plate is secured in place over the recess or interior of ltheboxing, wherein serial No. 118,459. (No modem' and the rear end willtaper inwardly Itoward the rear.

The end B of the draw-bar operates between the front-and rearwedge-blocks, of which I iemploy four, as shown in Fig. 2.

The wedgeblocks are alike in construction, so that the illustration anddescription of one will answer for all. In Fig. 5 I show the block I asprovided with the body portion I', sloped on its inner face I2, and theshank I3 at one end of said body portion, the outer side of the wedge atI4 being straight from the outer extremity of the shank I3 to the pointof the wedge, as will be understood from Figs. 2 and 5. The spring Dbears between the outer straight sides of the wedges I and the walls ofthe chamber A of the boxing and is preferably in the form of a plate.bent at its middle at D and between said middle and its ends to producethe bows D2, which operate upon their -respective wedge-blocks, as shownin Fig. 2. By the described construction the draw-bar may be moved ineither direction to such extent as to iatten the springs D against theside walls of the chamber A without in any way injuring any of the partsand will when so adjusted have a solid surface to prevent it fromfurther movement in such direction. The shanks Irol operate to properlyspace the body portions of the wedge-blocks away from the ends of thechamber A and preserve said blocks in position to properly operate inconnection with the double :frusto-conical head of the draw-bar, as willbe understood from Fig. 2 of the drawings.

By my invention I provide a construction which is simple, can be readilyapplied to the framing of the car, will yield properly in bothdirections, will afford an unyielding bearing for the drawbar at the endof its ICO movements in both directions, and which cannot be pulled outof the car in the use of the latter. I am also by the describedconstruction able to employ solid wedge-blocks and to arrange thesprings to bear between the outer sides of such solid wedge-blocks andthe walls of the chamber in which they operate.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

l. The improvement in draft-rigging herein described comprising theboxing having a chamber for the wedge-blocks and rear end of thedraw-bar and having in its front end an opening for the draw-bar and atits upper side the lateral flanges for connection with the stringers ofthe car-frame, the draw-bar operating in the front opening of the boxingand having a double frusto-conical end operatin gin the chamber of theboxing, the wedgeblocks having the body portions sloped to coincide withthe double frusto-conical end of the draw-bar, and the shanks by whichsaid body portions are spaced away from the ends of the boxing, theplate-springs bent to form the bows operating between the wedge-blocksand the adjacent sides of the boxing, and the top plate secured over thechamber of the boxing, substantially as set forth.

2. The combination with the boxing and the draw-bar having a doublefrnsto-conical end operating in the boxing, of wedges having bodyportions sloped to coincide with the frusto-conical end ofthedraw-bai-,and Shanks by which the body portions are spaced away from theends of the boxing, and springs oper- -ating upon the wedge-blocks,substantially tongues for spacing them away from the ends' of theboxing, of the boxing in which said devices operate,said boxing beingprovided with lateral anges whereby it may be secured to the car-frame,substantially as set forth.

5. The combination with the boxing, of the draw-bar having a doublefrusto-conical end portion operating within the boxing, of thewedge-blocks sloped on their inner faces to bear against thecorresponding faces of the frusto-conical end of the draw-bar andbearing attheir outer ends against the ends of the boxing, and springsoperating between the outer sides of the wedge-blocks and the boxing,substantially as set forth.

'PATRICK M. CANTY.

Witnesses:

W. B. BANCROFT, CHARLES DowNs.

